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The E-T-A 1620-1-7.5A is a single pole, thermal miniaturised circuit breaker (Mini-CBE) specifically engineered for automotive applications. It fits into fuse blocks designed to ISO 8820-3, Type F.
This circuit breaker has a current rating of 7.5A and a voltage rating of 12VDC, with a maximum voltage rating of 14.5VDC. It offers an automatic reset function and meets the requirements of SAE J553. The breaker is suitable for protecting electrical systems in passenger cars, trucks, buses, and watercraft.
Key technical data includes a service short-circuit breaking capacity of 300 operations at 2 x IN and an ultimate short-circuit breaking capacity of at least 1 break operation at 2,000 A. It operates within an ambient temperature range of -40 to +85 °C. The reset period for this model is less than or equal to 15 seconds at 23 °C.
Environmental and mechanical specifications include IP40 protection for the operating area and IP00 for the terminal area. It is designed to withstand vibration up to 10 g and shock up to 50 g. The device also meets standards for corrosion and humidity resistance.
The voltage rating is 12 VDC.
The current rating is 7.5 A.
It is a single pole, thermal miniaturised circuit breaker.
The ambient temperature range is -40 to +85 °C.
Yes, it features an automatic reset function.